Demas, S. (1994). Collection Development for the Electronic Library: A Conceptual and Organizational Model.
Citazione stile Chigago Style (17a edizione)Demas, Samuel. Collection Development for the Electronic Library: A Conceptual and Organizational Model. 1994.
Citatione MLA (9a ed.)Demas, Samuel. Collection Development for the Electronic Library: A Conceptual and Organizational Model. 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.